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feat(mcpx): cli.Run in-process entrypoint, slim main (#1980 stage 1) - #7207

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dezren39 wants to merge 5 commits into
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rescue/3275-1980-local-2026-11-01
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dezren39 wants to merge 5 commits into
mainfrom
rescue/3275-1980-local-2026-11-01

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@dezren39

@dezren39 dezren39 commented Nov 8, 2026 •

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Opened by the branch-disposition execution (2026-11-07) from branch rescue/3275-1980-local-2026-11-01.

Branch origin: queue branch for issue #3275.
This branch was laptop-local work (or a stranded remote branch) with real changes ahead of main and no PR. Per Drew's 2026-11-07 branch-disposition ruling, ahead branches with real changes get a PR; this PR surfaces the work for triage instead of leaving it stranded on a branch.

Triage owner: batch issue in developing-today/code, "Unowned PR batch from branch disposition (2026-11-07)". Outcome per batch triage: close with reason, or route to impl/finish/merge as a follow-on fix task.

Evidence: branch-ahead review ~/workspace/scratch/branch-ahead-review-2026-11-07.md; execution log ~/workspace/scratch/branch-disposition-2026-11-07.md.


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…g seed per Run (#1980 stage 1, Codex)

Codex P1: commands.go/exec.go script paths called os.Exit on a nonzero script status, terminating an in-process caller of cli.Run and skipping its deferred CloseInline. They now return exitStatusError, an ExitCoder Run already translates into the process exit code; Run does not prefix it with mcpx: since the run already reported itself.

Codex P2: config.SetPathsConfigSeed is a package global; Run now clears it on entry and defers clearing it on exit, so a --paths-config seed cannot leak between sequential in-process invocations.
… Codex P1)

Codex round 2 (PR #2714): the stage-1 tests would still pass with either round-1 bug restored. Add failing-first regressions: a script exiting 3 through cli.Run returns 3 in both the local text and local JSON paths (mutation-checked: restoring os.Exit in the JSON branch kills the test binary with exit status 3); renderExecResult returns an ExitCoder for a nonzero daemon-side result in text and JSON shapes (remote path); sequential Run calls do not inherit a --paths-config seed (seed visible via config.ResolveChainFrom before, absent after flagless and flagged Runs).
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dezren39 requested a review from a team as a code owner November 8, 2026 04:38
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Reviewing files that changed from the base of the PR and between 1e46b89 and 61a3d0f.

Files selected for processing: 5

  • pkgs/mcpx/cmd/mcpx/main.go
  • pkgs/mcpx/internal/cli/commands.go
  • pkgs/mcpx/internal/cli/exec.go
  • pkgs/mcpx/internal/cli/run.go
  • pkgs/mcpx/internal/cli/run_test.go
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Codex Review Summary: ✅ Completed

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📝 Code Review ✅ Completed 2026-11-08T04:40:18.169387Z 61a3d0f PR opened
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